Portion of a watch housing



FIG. 1 is a perspective view of a portion of a watch housing in accordance with our invention;

FIG. 2 is a front view of the portion of a watch housing of FIG. 1;

FIG. 3 is a right side view of the portion of a watch housing of FIG. 1;

FIG. 4 is a top view of the portion of a watch housing of FIG. 1; and,

FIG. 5 is a bottom view of the portion of a watch housing of FIG. 1.

The broken lines show the watch band and remainder of the watch casing for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a portion of a watch housing, as shown and described. 